--- a/mercurial/hgweb.py	Fri May 12 18:39:37 2006 +0200
+++ b/mercurial/hgweb.py	Fri May 12 21:25:07 2006 -0700
@@ -684,7 +684,7 @@
         mf = self.repo.manifest.read(cs[0])
 
         def diff(**map):
-            yield self.diff(p1, n, file)
+            yield self.diff(p1, n, [file])
 
         yield self.t("filediff",
                      file=file,